Car Diagnostic Tools turn the tool on

How to Troubleshoot a 2005 Chevy Silverado 1Look inside the driver's-side footwell. There are going to be a 16-pin plug operating off in the main wiring harness towards the left in the most important fuse panel. That is the OBD access port.2Plug the OBD scan tool into the OBD access port, turn the tool on, and then turn the Silverado's ignition towards the "II" position.3Wait for the scan tool to power up. If your scan tool has a green (or other color) "Start" button on it Professional diagnositic tools, press the "Start" button. Otherwise, wait for the scan tool to retrieve the trouble codes from the computer. Then Car Diagnostic Tools, unplug the tool and shut off the ignition.4Press "Menu" on the scan tool, and scroll through the menu options until you come to one that allows you to access the stored codes on the machine. Select the "Stored Codes" option and reference your Silverado's service manual to translate the engine code. This will pinpoint the problem for you, allowing you to fix your Silverado. Related articles: